defense about marketing online classes to nonstudents. the university spent $4.3 million marketing the online classes hoping to attract tuition from students all over the world. but since the classes started a year ago, only one person who was not already a uc student has take an class. uc online classes cost $1400 to $2400. but other universities like stanford and harvard are offering online classes for free. hundreds of thousands of students have signed up for those classes. >>> season 12 of american idol kicks off tonight right here on ktvu channel 2. mariah carey, nikki minaj and keith urban join randy jackson at the judges table. but judges say the focus is on finding the next big talent and that sometimes creates colorful moments. >> we have so much stuff going on this season. if i were a viewer, i would have be dvring this season. there are so many things. >> as usual fans can expect wild wacky and off key singers during early auditions and this is going to be great. be sure to watch for contestants that had surprise auditions after being secretly nominated by their friends.